Is there a technique called the chain rule in sudoku? : Advanced solving techniques

Is there a technique called the chain rule in sudoku?

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Is there a technique called the chain rule in sudoku?

by Chessmaster » Sat Nov 10, 2007 1:48 am

or am i just thinking of somthing that is totatly not sudoku related.

Chessmaster: Posts: 191; Joined: 21 December 2005

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by Mauricio » Sat Nov 10, 2007 3:13 am

May be these?
http://en.wikipedia.org/wiki/Chain_rule
http://mathworld.wolfram.com/ChainRule.html
A very beautiful theorem.

Mauricio: Posts: 1175; Joined: 22 March 2006

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by Chessmaster » Sat Nov 10, 2007 5:32 am

Well I knew of that chain rule but i thought there was also one for sudoku.

Chessmaster: Posts: 191; Joined: 21 December 2005

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by MARK DEVILBISS » Tue Dec 04, 2007 1:11 am

YES

MARK DEVILBISS: Posts: 1; Joined: 03 December 2007

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